C1232211222331313331322331313132313231323223313113313132313232331   >>    C123221122233131333132233131313231323132322331311331313231323233   <<    C1232211222331313331322331313132313231323223313113313132313232333   >>      C1232211222331313331322331313132313231323223313113313132313232332   >>